Career
Prince Athittayawong was the son of Ramathibodi II and became the Uparaja in 1515. Following his father"s death, Athittayawong succeeded the Ayutthayan throne as Borommaracha IV. Borommaracha IV died abruptly in 1533 due to a smallpox epidemic, leaving the throne to his five-year-old son, Prince Ratsadathirat.